diff --git a/pkgs/tools/misc/fluent-bit/default.nix b/pkgs/tools/misc/fluent-bit/default.nix
index ddc5757bdce..57909debf79 100644
--- a/pkgs/tools/misc/fluent-bit/default.nix
+++ b/pkgs/tools/misc/fluent-bit/default.nix
@@ -2,13 +2,13 @@
 
 stdenv.mkDerivation rec {
   pname = "fluent-bit";
-  version = "1.3.11";
+  version = "1.4.0";
 
   src = fetchFromGitHub {
     owner = "fluent";
     repo = "fluent-bit";
     rev = "v${version}";
-    sha256 = "0s1j5mrih4zzaxhqhrd01cibp53rbdqfxf0ng64yfjqlqdh4dhkk";
+    sha256 = "07p0cy4y2x45kgimg7rjjk9zknmnnsfxdy2vlz6dzaxrslv6c3x6";
   };
 
   nativeBuildInputs = [ cmake flex bison ];